![]() This application note will instruct the user on how to design a capacitive sensor using a 3D modeling software called COMSOL. ![]() These sensors work by sensing a conductive object nearby rather than detecting the physical state of the device. Capacitive sensors provide an alternative to the traditional mechanical buttons and sliders in electronics. They work by converting physical parameters such as temperature, pressure and wind speed into an electrical output that can be visualized by an observer. Keywords: COMSOL, Capacitive SensorĢ Table of Contents Introduction.3 Objective.3 Background.3 Implementation.5 Model Navigator.5 Geometry Modeling.6 Extruding to 3D Geometry.8 Physics Settings.9 Mesh Analysis.12 Solve Problem.13 Compute Capacitance.14 Conclusion.14 Appendix.15 Referencesģ Introduction: Sensors are used in many important applications like medical equipment, industrial control systems, air-conditioning systems, aircrafts and satellites. This application note focuses on a general capacitive sensor design that can be altered easily to fit any application. With this software, the sensor can be modeled for any type of application like touch sensing, water sensing and pressure sensing. It provides the user with the flexibility to model the sensor using a simple 2D user interface that can be easily transformed into a 3D model. Davinder Sharma at for registration and further details.1 ECE 480 DESIGN TEAM 6 Designing a Capacitive Sensor using COMSOL Application Note Arslan Qaiser April 4 th, 2010 Executive Summary: Capacitive sensors can be virtually designed using a powerful 3D modeling software, COMSOL. There is no registration fee for this workshop.Ĭontact workshop coordinator Dr. ![]() The workshop will also introduce multiphysics couplings with heat transfer in porous media and solute transport that can be coupled to any of the fluid flow interfaces. In the afternoon session, we will cover geophysical and environmental phenomena, such as the modeling of groundwater flow, the solute transport through soil and heat transfer in porous media. We will set up and solve a simple multiphysics problem designed to make participants quickly proficient in COMSOL Multiphysics Version 4.2a - enabling the participants to use the included 2-week free trial on their own models. It will directed at both new users and existing users who would like experience with the new interface. The second half of this session will deals with a hands-on tutorial in COMSOL Multiphysics Version 4.2a. This will be of interest to both new and existing users of COMSOL. ![]() The first half of the morning session will provide an overview of COMSOL Multiphysics Version 4.2a - its capabilities, its new abilities and functionality enhancements, and it’s new, more efficient, user interface. This is a one day workshop in which Introduction to COMSOL Multiphysics will be covered in morning session and Subsurface Flow with COMSOL Multiphysics will be covered in evening session. It provides an excellent platform that allows users to examine all physics within one easy-to-use environment and optimize system operation before one start building prototypes. The COMSOL Multiphysics engineering simulation software environment facilitates all steps in the modeling process − defining geometry, meshing, specifying physics, solving, and then visualizing results. USA is going to organize a workshop on Comsol Multiphysics on 20 th April 2012. Understanding the importance of modeling and simulation in today’s fast-paced research and development culture, The Department of Physics in association with Comsol Inc. In present era, Modeling and Simulation have become an integral part of research and development in the field of Science and Technology. ![]()
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